import {os} from './os.js';
import {http} from "./http.js";
import {Task} from "./task.js";


/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
function safeAdd (x, y) {
    var lsw = (x & 0xffff) + (y & 0xffff)
    var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
    return (msw << 16) | (lsw & 0xffff)
}

/*
* Bitwise rotate a 32-bit number to the left.
*/
function bitRotateLeft (num, cnt) {
    return (num << cnt) | (num >>> (32 - cnt))
}

/*
* These functions implement the four basic operations the algorithm uses.
*/
function md5cmn (q, a, b, x, s, t) {
    return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b)
}
function md5ff (a, b, c, d, x, s, t) {
    return md5cmn((b & c) | (~b & d), a, b, x, s, t)
}
function md5gg (a, b, c, d, x, s, t) {
    return md5cmn((b & d) | (c & ~d), a, b, x, s, t)
}
function md5hh (a, b, c, d, x, s, t) {
    return md5cmn(b ^ c ^ d, a, b, x, s, t)
}
function md5ii (a, b, c, d, x, s, t) {
    return md5cmn(c ^ (b | ~d), a, b, x, s, t)
}

/*
* Calculate the MD5 of an array of little-endian words, and a bit length.
*/
function binlMD5 (x, len) {
    /* append padding */
    x[len >> 5] |= 0x80 << (len % 32)
    x[((len + 64) >>> 9 << 4) + 14] = len

    var i
    var olda
    var oldb
    var oldc
    var oldd
    var a = 1732584193
    var b = -271733879
    var c = -1732584194
    var d = 271733878

    for (i = 0; i < x.length; i += 16) {
        olda = a
        oldb = b
        oldc = c
        oldd = d

        a = md5ff(a, b, c, d, x[i], 7, -680876936)
        d = md5ff(d, a, b, c, x[i + 1], 12, -389564586)
        c = md5ff(c, d, a, b, x[i + 2], 17, 606105819)
        b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330)
        a = md5ff(a, b, c, d, x[i + 4], 7, -176418897)
        d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426)
        c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341)
        b = md5ff(b, c, d, a, x[i + 7], 22, -45705983)
        a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416)
        d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417)
        c = md5ff(c, d, a, b, x[i + 10], 17, -42063)
        b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162)
        a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682)
        d = md5ff(d, a, b, c, x[i + 13], 12, -40341101)
        c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290)
        b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329)

        a = md5gg(a, b, c, d, x[i + 1], 5, -165796510)
        d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632)
        c = md5gg(c, d, a, b, x[i + 11], 14, 643717713)
        b = md5gg(b, c, d, a, x[i], 20, -373897302)
        a = md5gg(a, b, c, d, x[i + 5], 5, -701558691)
        d = md5gg(d, a, b, c, x[i + 10], 9, 38016083)
        c = md5gg(c, d, a, b, x[i + 15], 14, -660478335)
        b = md5gg(b, c, d, a, x[i + 4], 20, -405537848)
        a = md5gg(a, b, c, d, x[i + 9], 5, 568446438)
        d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690)
        c = md5gg(c, d, a, b, x[i + 3], 14, -187363961)
        b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501)
        a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467)
        d = md5gg(d, a, b, c, x[i + 2], 9, -51403784)
        c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473)
        b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734)

        a = md5hh(a, b, c, d, x[i + 5], 4, -378558)
        d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463)
        c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562)
        b = md5hh(b, c, d, a, x[i + 14], 23, -35309556)
        a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060)
        d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353)
        c = md5hh(c, d, a, b, x[i + 7], 16, -155497632)
        b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640)
        a = md5hh(a, b, c, d, x[i + 13], 4, 681279174)
        d = md5hh(d, a, b, c, x[i], 11, -358537222)
        c = md5hh(c, d, a, b, x[i + 3], 16, -722521979)
        b = md5hh(b, c, d, a, x[i + 6], 23, 76029189)
        a = md5hh(a, b, c, d, x[i + 9], 4, -640364487)
        d = md5hh(d, a, b, c, x[i + 12], 11, -421815835)
        c = md5hh(c, d, a, b, x[i + 15], 16, 530742520)
        b = md5hh(b, c, d, a, x[i + 2], 23, -995338651)

        a = md5ii(a, b, c, d, x[i], 6, -198630844)
        d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415)
        c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905)
        b = md5ii(b, c, d, a, x[i + 5], 21, -57434055)
        a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571)
        d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606)
        c = md5ii(c, d, a, b, x[i + 10], 15, -1051523)
        b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799)
        a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359)
        d = md5ii(d, a, b, c, x[i + 15], 10, -30611744)
        c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380)
        b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649)
        a = md5ii(a, b, c, d, x[i + 4], 6, -145523070)
        d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379)
        c = md5ii(c, d, a, b, x[i + 2], 15, 718787259)
        b = md5ii(b, c, d, a, x[i + 9], 21, -343485551)

        a = safeAdd(a, olda)
        b = safeAdd(b, oldb)
        c = safeAdd(c, oldc)
        d = safeAdd(d, oldd)
    }
    return [a, b, c, d]
}

/*
* Convert an array of little-endian words to a string
*/
function binl2rstr (input) {
    var i
    var output = ''
    var length32 = input.length * 32
    for (i = 0; i < length32; i += 8) {
        output += String.fromCharCode((input[i >> 5] >>> (i % 32)) & 0xff)
    }
    return output
}

/*
* Convert a raw string to an array of little-endian words
* Characters >255 have their high-byte silently ignored.
*/
function rstr2binl (input) {
    var i
    var output = []
    output[(input.length >> 2) - 1] = undefined
    for (i = 0; i < output.length; i += 1) {
        output[i] = 0
    }
    var length8 = input.length * 8
    for (i = 0; i < length8; i += 8) {
        output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << (i % 32)
    }
    return output
}

/*
* Calculate the MD5 of a raw string
*/
function rstrMD5 (s) {
    return binl2rstr(binlMD5(rstr2binl(s), s.length * 8))
}

/*
* Calculate the HMAC-MD5, of a key and some data (raw strings)
*/
function rstrHMACMD5 (key, data) {
    var i
    var bkey = rstr2binl(key)
    var ipad = []
    var opad = []
    var hash
    ipad[15] = opad[15] = undefined
    if (bkey.length > 16) {
        bkey = binlMD5(bkey, key.length * 8)
    }
    for (i = 0; i < 16; i += 1) {
        ipad[i] = bkey[i] ^ 0x36363636
        opad[i] = bkey[i] ^ 0x5c5c5c5c
    }
    hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8)
    return binl2rstr(binlMD5(opad.concat(hash), 512 + 128))
}

/*
* Convert a raw string to a hex string
*/
function rstr2hex (input) {
    var hexTab = '0123456789abcdef'
    var output = ''
    var x
    var i
    for (i = 0; i < input.length; i += 1) {
        x = input.charCodeAt(i)
        output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f)
    }
    return output
}

/*
* Encode a string as utf-8
*/
function str2rstrUTF8 (input) {
    return unescape(encodeURIComponent(input))
}

/*
* Take string arguments and return either raw or hex encoded strings
*/
function rawMD5 (s) {
    return rstrMD5(str2rstrUTF8(s))
}
function hexMD5 (s) {
    return rstr2hex(rawMD5(s))
}
function rawHMACMD5 (k, d) {
    return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d))
}
function hexHMACMD5 (k, d) {
    return rstr2hex(rawHMACMD5(k, d))
}

function md5 (string, key, raw) {
    if (!key) {
        if (!raw) {
            return hexMD5(string)
        }
        return rawMD5(string)
    }
    if (!raw) {
        return hexHMACMD5(key, string)
    }
    return rawHMACMD5(key, string)
}



// let $appid = 2115210155;
// let $appkey = 'vxMUADf4g5rPebLX';

var $appid = 2116830121;
var $appkey = 'JuTckk9kPFZnazf7';


/**
 * 腾讯AI平台相关操作
 * @version 2
 * @static
 * @author GuoHua Liu
 * @copyright Copyright © 2019 GuoHua Liu. All rights reserved.
 */
class tai {

    static ksort(inputArr, sort_flags) {
        //  discuss at: http://phpjs.org/functions/ksort/
        // original by: GeekFG (http://geekfg.blogspot.com)
        // improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
        // improved by: Brett Zamir (http://brett-zamir.me)
        //        note: The examples are correct, this is a new way
        //        note: This function deviates from PHP in returning a copy of the array instead
        //        note: of acting by reference and returning true; this was necessary because
        //        note: IE does not allow deleting and re-adding of properties without caching
        //        note: of property position; you can set the ini of "phpjs.strictForIn" to true to
        //        note: get the PHP behavior, but use this only if you are in an environment
        //        note: such as Firefox extensions where for-in iteration order is fixed and true
        //        note: property deletion is supported. Note that we intend to implement the PHP
        //        note: behavior by default if IE ever does allow it; only gives shallow copy since
        //        note: is by reference in PHP anyways
        //        note: Since JS objects' keys are always strings, and (the
        //        note: default) SORT_REGULAR flag distinguishes by key type,
        //        note: if the content is a numeric string, we treat the
        //        note: "original type" as numeric.
        //  depends on: i18n_loc_get_default
        //  depends on: strnatcmp
        //   example 1: data = {d: 'lemon', a: 'orange', b: 'banana', c: 'apple'};
        //   example 1: data = ksort(data);
        //   example 1: $result = data
        //   returns 1: {a: 'orange', b: 'banana', c: 'apple', d: 'lemon'}
        //   example 2: ini_set('phpjs.strictForIn', true);
        //   example 2: data = {2: 'van', 3: 'Zonneveld', 1: 'Kevin'};
        //   example 2: ksort(data);
        //   example 2: $result = data
        //   returns 2: {1: 'Kevin', 2: 'van', 3: 'Zonneveld'}

        var tmp_arr = {},
            keys = [],
            sorter, i, k, that = this,
            strictForIn = false,
            populateArr = {};

        switch (sort_flags) {
            case 'SORT_STRING':
                // compare items as strings
                sorter = function (a, b) {
                    return that.strnatcmp(a, b);
                };
                break;
            case 'SORT_LOCALE_STRING':
                // compare items as strings, original by the current locale (set with  i18n_loc_set_default() as of PHP6)
                var loc = this.i18n_loc_get_default();
                sorter = this.php_js.i18nLocales[loc].sorting;
                break;
            case 'SORT_NUMERIC':
                // compare items numerically
                sorter = function (a, b) {
                    return ((a + 0) - (b + 0));
                };
                break;
            // case 'SORT_REGULAR': // compare items normally (don't change types)
            default:
                sorter = function (a, b) {
                    var aFloat = parseFloat(a),
                        bFloat = parseFloat(b),
                        aNumeric = aFloat + '' === a,
                        bNumeric = bFloat + '' === b;
                    if (aNumeric && bNumeric) {
                        return aFloat > bFloat ? 1 : aFloat < bFloat ? -1 : 0;
                    } else if (aNumeric && !bNumeric) {
                        return 1;
                    } else if (!aNumeric && bNumeric) {
                        return -1;
                    }
                    return a > b ? 1 : a < b ? -1 : 0;
                };
                break;
        }

        // Make a list of key names
        for (k in inputArr) {
            if (inputArr.hasOwnProperty(k)) {
                keys.push(k);
            }
        }
        keys.sort(sorter);

        // BEGIN REDUNDANT
        this.php_js = this.php_js || {};
        this.php_js.ini = this.php_js.ini || {};
        // END REDUNDANT
        strictForIn = this.php_js.ini['phpjs.strictForIn'] && this.php_js.ini['phpjs.strictForIn'].local_value && this.php_js
            .ini['phpjs.strictForIn'].local_value !== 'off';
        populateArr = strictForIn ? inputArr : populateArr;

        // Rebuild array with sorted key names
        for (i = 0; i < keys.length; i++) {
            k = keys[i];
            tmp_arr[k] = inputArr[k];
            if (strictForIn) {
                delete inputArr[k];
            }
        }
        for (i in tmp_arr) {
            if (tmp_arr.hasOwnProperty(i)) {
                populateArr[i] = tmp_arr[i];
            }
        }

        return strictForIn || populateArr;
    }

    /**
     * 计算腾讯AI平台签名
     * @param $params
     * @param $appkey
     * @return {string}
     */
    static getReqSign($params /* 关联数组 */, $appkey /* 字符串*/) {
        // 1. 进行排序
        $params = tai.ksort($params);

        // 2. 拼接URL键值对
        let $str = '';
        for (let $key in $params) {
            let $value = $params[$key]
            if ($value !== '') {
                $str += $key + "=" + encodeURIComponent($value) + "&"
            }
        }

        // 3. 拼接app_key
        $str += 'app_key=' + $appkey;

        // 4. MD5运算+转换大写，得到请求签名
        return md5($str).toUpperCase();
    }

    /**
     * doHttpPost ：执行POST请求，并取回响应结果。该函数会自动追加app_id，time_stamp，nonce_str，sign。
     * @param $url {string} 接口请求地址
     * @param $params {object} 完整接口请求参数（特别注意：不同的接口，参数对一般不一样，请以具体接口要求为准）
     * @return {Task}
     */
    static doHttpPost($url, $params)
    {
        $params["app_id"] = $appid;
        $params["time_stamp"] = "" + os.time();
        $params["nonce_str"] = "" + os.time();
        $params["sign"] = tai.getReqSign($params, $appkey);
        $params = tai.ksort($params); // 重新排序
        return  http.post($url, $params, {"headers":{"Content-Type":"application/x-www-form-urlencoded"}});
    }

    /**
     * 初始化腾讯ai
     * @param appid 腾讯ai的appid
     * @param appkey 腾讯ai的appkey
     */
    static init(appid, appkey) {
        $appid = appid;
        $appkey = appkey;
    }

    /**
     * doHttpGet ：执行GET请求，并取回响应结果。该函数会自动追加app_id，time_stamp，nonce_str，sign。
     * @param $url {string} 接口请求地址
     * @param $params {object} 完整接口请求参数（特别注意：不同的接口，参数对一般不一样，请以具体接口要求为准）
     * @return {Task}
     */
    static doHttpGet($url, $params)
    {
        $params["app_id"] = $appid;
        $params["time_stamp"] = "" + os.time();
        $params["nonce_str"] = "" + Math.random();
        $params["sign"] = tai.getReqSign($params, $appkey);
        // alert($params["sign"])
        return http.get($url, $params, {"headers":{"Content-Type":"application/x-www-form-urlencoded"}});
    }

}

export {tai}
